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    • 2. 发明申请
    • FLUORINATED WATER SOLUBLE COPOLYMERS
    • 氟化水溶性共聚物
    • WO2009058795A1
    • 2009-05-07
    • PCT/US2008/081488
    • 2008-10-29
    • E. I. DU PONT DE NEMOURS AND COMPANYMURPHY, Peter, MichaelFLATTER, Jessica, Louise, Nee SinksWANG, Ying
    • MURPHY, Peter, MichaelFLATTER, Jessica, Louise, Nee SinksWANG, Ying
    • C09D133/14C08F220/04
    • C09D133/16C08F220/04C08F220/24C08F220/32C08F220/38C08F220/58Y10T428/23986Y10T428/31544Y10T442/2172Y10T442/2279Y10T442/2287
    • A method of providing water repellency, oil repellency, soil resistance, soil release, stain resistance and stain release to substrates comprising contacting said substrate with a composition comprising a copolymer having repeating units of Formula 1 in any sequence: wherein R f is a straight or branched perfluoroalkyl group having from about 2 to about 8 carbon atoms, or a mixture thereof, which is optionally interrupted by at least one oxygen atom, Q is alkylene of 1 to about 15 carbon atoms, hydroxyalkylene of 2 to about 15 carbon atoms, -0(C n H 2n )-, -(CH 2 CF 2 ) m (CH 2 ) n -, -CONR 1 (C n H 2n )-, -(C n H 2n )OCONR 1 (C n H 2n )-, (-CONR 1 CH 2 ) 2 CH-, -SO 2 N(R 1 )(C n H 2n )-, or -(C n H 2n ) SO 2 N(R 1 )(C n H 2n )-, each R 1 is independently H or alkyl of 1 to about 4 carbon atoms, each n is independently1 to about 15, each m is independently 1 to about 4, Z is hydrogen or methyl, x is a positive integer, y is zero or a positive integer, t is a positive integer, and M is H + , alkali metal cation, alkaline earth metal cation, or ammonium.
    • 提供防水性,拒油性,耐土壤性,污垢释放,耐污染性和对基材的污迹释放的方法,包括使所述底物与包含具有任何顺序的具有式1的重复单元的共聚物的组合物接触的组合物接触:其中Rf是直链或支链 具有约2至约8个碳原子的全氟烷基或其混合物,其任选被至少一个氧原子间隔,Q为1至约15个碳原子的亚烷基,2至约15个碳原子的羟基亚烷基,-0 (CnH2n) - , - (CH2CF2)m(CH2)n-,-CONR1(CnH2n) - , - (CnH2n)OCONR1(CnH2n) - ,(-CONR1CH2)2CH-,-SO2N(R1)(CnH2n) 或 - (C n H 2n)SO 2 N(R 1)(C n H 2n) - ,每个R 1独立地为H或1至约4个碳原子的烷基,每个n独立地为1至约15,每个m独立地为1至约4,Z为氢或 甲基,x为正整数,y为零或正整数,t为正整数,M为H +,碱金属阳离子,碱土金属阳离子或 mmonium。
    • 3. 发明申请
    • FLUOROPOLYMER EMULSIONS
    • 氟聚乳酸
    • WO2009015136A1
    • 2009-01-29
    • PCT/US2008/070747
    • 2008-07-22
    • E. I. DU PONT DE NEMOURS AND COMPANYWANG, YingMURPHY, Peter, MichaelPENG, Sheng
    • WANG, YingMURPHY, Peter, MichaelPENG, Sheng
    • C08F259/06C08F265/04D06M15/277
    • C08F259/06C08F265/04D06M15/233D06M15/248D06M15/263D06M15/27D06M15/277D06M15/29D06M2200/11D06M2200/12C08F220/24
    • A core-shell emulsion polymer comprising A) a core composition comprising components (a) and (b): (a) from about 40 to about 95 % of styrene, alkyl substituted styrene, or alkyl (meth)acrylate; and (a) from about 5 to about 60 % of vinylidene chloride, vinyl chloride, or combinations thereof; and B) a shell composition components (c) and (d): (b) from about 50 to about 85 % of (I) R f 1 (CH 2 ) m Z-C(O)-C(R 1 )=CH 2 (II) R f 2 ?(CH 2 CF 2 ) q (CH 2 CH 2 ) r Z-C(O)-C(R 1 ) =CH 2 , or (III) R f 3 O(CF 2 CF 2 ) q (CH 2 CH 2 ) r Z-C(O)-C(R 1 )=CH 2 wherein R 1 is hydrogen, Cl, F or CH; Z is -O-, -NH- or -S-; R f 1 and R f 2 ? are each a C 4 or C 6 perfluoroalkyl; and R f 3 is a C 2 C 7 perfluoroalkyl optionally interrupted by one to three ether oxygens; and (c) from about 15 to about 50 % of styrene, alkyl substituted styrene, or alkyl (meth)acrylate, provided that i) the core composition comprises from about 20 to about 75 % of the polymer; ii) when R f 1 or R f 2 has 4 carbons, R 1 is CH 3 ; and iii) when R f 3 has 2 or 3 carbons, R 1 is CH 3 .
    • 一种核 - 壳乳液聚合物,其包含A)包含组分(a)和(b)的核心组合物:(a)约40至约95%的苯乙烯,烷基取代的苯乙烯或(甲基)丙烯酸烷基酯; 和(a)约5至约60%的偏二氯乙烯,氯乙烯或其组合; 和(B)分别为(I)Rf 1(CH2)mZ-C(O)-C(R1)= CH2(Ⅱ)的约50-约85%的组合物(c)和(d) Rf(2)(CH2CF2)q(CH2CH2)rZ-C(O)-C(R1)= CH2或(III)Rf3O(CF2CF2)q(CH2CH2)rZ-C(O)-C(R1)= CH2 其中R1是氢,C1,F或CH; Z是-O - , - NH-或-S-; Rf 1和Rf 2 各自为C4或C6全氟烷基; 并且Rf 3是任选被一至三个醚氧中断的C2 C7全氟烷基; 和(c)约15至约50%的苯乙烯,烷基取代的苯乙烯或(甲基)丙烯酸烷基酯,条件是i)核组合物包含约20至约75%的聚合物; ii)当Rf 1或Rf 2具有4个碳时,R 1为CH 3; 和iii)当Rf 3具有2或3个碳时,R 1是CH 3。